| Country | Excellent | Good | Sufficient | Good or Sufficient | Poor | Not classified | Excellent, % |
|---|---|---|---|---|---|---|---|
| France | 2,533 | 495 | 123 | — | 99 | 92 | 77.9 |
| Germany | 2,067 | 130 | 38 | — | 14 | 35 | 91.9 |
| Spain | 1,974 | 177 | 32 | — | 27 | 45 | 89.3 |
| Greece | 1,612 | 21 | 1 | — | — | 48 | 98.7 |
| Denmark | 943 | 55 | 13 | — | 2 | 10 | 93.1 |
| Croatia | 843 | 13 | 2 | — | — | 5 | 98.3 |
| Finland | 266 | 21 | 6 | — | 4 | 5 | 89.6 |
| Austria | 254 | 4 | 1 | — | — | 1 | 98.1 |
| Switzerland | 156 | 9 | 4 | — | 4 | 16 | 90.2 |
| Czechia | 126 | 15 | 3 | — | — | 10 | 87.5 |
| Belgium | 95 | 22 | 3 | — | — | 1 | 79.2 |
| Cyprus | 112 | — | — | — | — | 8 | 100.0 |
| Albania | 81 | 28 | 2 | — | 8 | — | 68.1 |
| Bulgaria | 86 | 9 | 1 | — | — | — | 89.6 |
| Estonia | 44 | 14 | 2 | — | 2 | 3 | 71.0 |
| Poland | 9 | 5 | — | — | 1 | 11 | 60.0 |
| Netherlands | 9 | 7 | 1 | — | 1 | 2 | 50.0 |
| Hungary | 2 | 2 | 1 | — | 1 | 1 | 33.3 |
| Portugal | 3 | — | — | — | — | — | 100.0 |